Home / 205,974.70-308,962.05-117,501.10

Finding the Fourth Proportional to 205,974.70, 308,962.05 and 117,501.10

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Solution

The fourth proportional to 205,974.70, 308,962.05 and 117,501.10 is: 176,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,974.70 : 308,962.05 = 117,501.10 : x
  2. Step 2: Convert to fraction form
    205,974.70/308,962.05 = 117,501.10/x
  3. Step 3: Cross multiply
    205,974.70x = 308,962.05 × 117,501.10
  4. Step 4: Simplify right side
    205,974.70x = 36,303,380,733.26
  5. Step 5: Solve for x
    x = 36,303,380,733.26/205,974.70
  6. Step 6: Final answer
    x = 176,251.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.